Share on PinterestAdults with undiagnosed ADHD should avoid self-diagnosis and ask their doctor about their symptoms. The Good Brigade/Getty ImagesA new survey reports that 25% of adults in the United States believe they have ADHD, but half of them don’t tell their doctor about their suspicions.Experts say more awareness of adult ADHD is needed since the neurological disorder has symptoms resembling anxiety, depression, and other mental health conditions.People with undiagnosed ADHD may not be receiving the treatment they need to manage their symptoms and improve their quality of…